UFC 3-580-10
14 July 2004
Including changes 12 April 2005
Legend:
The cabinet designations follow the pattern
sfffffnn
Where s is the size of the cabinet:
S -- Standard height, (42U) standard depth (29.5-inches)
D -- Standard height, (42U) deep (37.5-inches)
W -- Wall Mounted
H -- Half height (roughly 42-inches tall)
Q -- Quarter height (roughly 30-inches tall)
C -- Classified equipment container also called the "IPS container"
Where fffff is the function of the cabinet
POP -- Inner routers, outer routers and transport boundary equipment; core
layer
MDF -- Distribution layer switches
IDF -- Access layer switches
BASEX -- Base extension equipment (a distribution layer encryption boundary)
HTB -- High speed transport boundary; core layer
CTB -- Classified transport boundary; core layer
BII -- Boundary 2; core layer
Where nn is a sequential number assigned to each cabinet function to insure
that each elevation is unique.
There is a specialty cabinet that doesn't follow exactly.
EBOX01 -- This is a custom container that can be mounted on a wall and has
little rubber pads to sit on a desk or table. The DSL modem is deployed in
this cabinet type.
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